The risk of violating Article 45 of the Air Pollution Prevention and Control Law is mainly related to what components in compressed air?

Answer: Regular inspections of the air filter, lubrication system, and motor can help prevent premature wear and tear.

A. Cooling and lubricating compressor components B. Improve the purity of compressed air C. Reduce equipment noise D. Increase equipment life Answer: A Analysis: The lubricating oil system of the oil-injected air compressor injects lubricating oil into the compression chamber to start…

A. 50% B. 60% C. 75% D. 80% answer: C analysis: Environmentally friendly oil-free air compressors reduce oil pollution, thereby reducing the frequency of filter replacement and optimizing maintenance costs.

A. Annex A B. Annex C C. Annex D D. Annex E Answer: B Analysis: The exhaust volume standard corresponds to ISO 1217 Annex C.

A. Higher B. Lower C. Same as oil injection air compressor D. The answer cannot be determined: A Analysis: The manufacturing cost of oil-free air compressors is usually high, and the initial investment is large, but the long-term maintenance cost is low.